Tom, why didn’t you go to work today?—Oh, the manager said he no longer wanted to see me again; _____, I was fired

The success of this project______everyone making an effort．

It seemed to me that she was in doubt ________ Mahoney lived or died.[ ]

Sometimes we just can’t understand why so many people fail to realize that wealth does not ______ bring happiness?

In ______ Max began to learn Russian.